package com.leyou.item.mapper;

import com.leyou.item.pojo.Brand;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.web.bind.annotation.RequestParam;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * 新增商品分类跟品牌中间表数据
     * @param cid 商品分类id
     * @param id 品牌id
     * @return
     */
    @Insert("INSERT INTO tb_category_brand(category_id,brand_id) " +
            "VALUES (#{cid},#{bid})")
    int insertBrandAndCategory(@Param("cid") Long cid,@Param("bid") Long id);

    @Select("SELECT b.* from tb_brand b INNER JOIN tb_category_brand cb on b.id=cb.brand_id where cb.category_id=#{cid}")
    List<Brand> selectBrandById(Long cid);
}
